Home / 873,077,107.80-1,309,615,661.70-758,285,851.80

Finding the Fourth Proportional to 873,077,107.80, 1,309,615,661.70 and 758,285,851.80

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Solution

The fourth proportional to 873,077,107.80, 1,309,615,661.70 and 758,285,851.80 is: 1,137,428,777.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,077,107.80 : 1,309,615,661.70 = 758,285,851.80 : x
  2. Step 2: Convert to fraction form
    873,077,107.80/1,309,615,661.70 = 758,285,851.80/x
  3. Step 3: Cross multiply
    873,077,107.80x = 1,309,615,661.70 × 758,285,851.80
  4. Step 4: Simplify right side
    873,077,107.80x = 993,063,027,562,805,120
  5. Step 5: Solve for x
    x = 993,063,027,562,805,120/873,077,107.80
  6. Step 6: Final answer
    x = 1,137,428,777.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.